CVE-2025-50518

{"id": "CVE-2025-50518", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-08-14T16:15:35.417", "references": [{"url": "https://github.com/IreneTheITCrowd/blog/blob/main/libcoap-vulnerability.md", "source": "cve@mitre.org"}, {"url": "https://github.com/IreneTheITCrowd/blog/issues/1", "source": "cve@mitre.org"}, {"url": "https://github.com/obgm/libcoap/issues/1724#issuecomment-3199631257", "source": "cve@mitre.org"}, {"url": "https://github.com/obgm/libcoap/issues/1724#issuecomment-3234613482", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free vulnerability exists in the coap_delete_pdu_lkd function within coap_pdu.c of the libcoap library. This issue occurs due to improper handling of memory after the freeing of a PDU object, leading to potential memory corruption or the possibility of executing arbitrary code. NOTE: this is disputed by the Supplier because it only occurs when an application uses libcoap incorrectly."}, {"lang": "es", "value": "Existe una vulnerabilidad de use-after-free en la funci\u00f3n coap_delete_pdu_lkd, dentro de coap_pdu.c de la librer\u00eda libcoap. Este problema se produce debido a un manejo inadecuado de la memoria tras la liberaci\u00f3n de un objeto PDU, lo que puede provocar corrupci\u00f3n de memoria o la ejecuci\u00f3n de c\u00f3digo arbitrario."}], "lastModified": "2025-09-11T18:15:34.510", "sourceIdentifier": "cve@mitre.org"}